P    #regions in PPM
# 2015-11-23 09:15:24 +0000  nmr@pacific
# low field   high field   mi   maxi
  -285.6463268718766  -287.26624933050726  72.243  77.883  # for region 1
  -292.0488775417026  -292.97454751806305  99.144  105.435  # for region 2
  -293.05168668275974  -294.2087741532102  90.466  94.371  # for region 3
  -294.2087741532102  -295.8286966118409  84.175  93.937  # for region 4
